Preserve zero fractions in JSON encoding on Hmac generator

composer.json

@@ -2,7 +2,7 @@
     "name": "buckaroo/sdk",
     "description": "Buckaroo payment SDK",
     "license": "MIT",
-    "version": "1.17.0",
+    "version": "1.17.1",
     "type": "library",
     "require": {
         "php": "^8.1",

src/Handlers/HMAC/Hmac.php

@@ -51,7 +51,7 @@ public function base64Data($data = null)
             if (is_array($data))
             {
                 $data = mb_convert_encoding(
-                    json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE),
+                    json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION),
                     'UTF-8',
                     'auto'
                 );

src/PaymentMethods/PaymentMethodFactory.php

@@ -33,7 +33,6 @@
 use Buckaroo\PaymentMethods\Alipay\Alipay;
 use Buckaroo\PaymentMethods\In3Old\In3Old;
 use Buckaroo\PaymentMethods\Paypal\Paypal;
-use Buckaroo\PaymentMethods\Sofort\Sofort;
 use Buckaroo\PaymentMethods\Thunes\Thunes;
 use Buckaroo\PaymentMethods\Belfius\Belfius;
 use Buckaroo\PaymentMethods\Billink\Billink;
@@ -112,7 +111,6 @@ class PaymentMethodFactory
         EPS::class => ['eps'],
         ExternalPayment::class => ['externalpayment'],
         Emandates::class => ['emandates'],
-        Sofort::class => ['sofort', 'sofortueberweisung'],
         Marketplaces::class => ['marketplaces'],
         NoServiceSpecifiedPayment::class => ['noservice'],
         Payconiq::class => ['payconiq'],